The elusive waves, once thought to be myths, are explained by the same math that's found in a wide range of settings.
For 20 years, scientists believed that gravity caused some popped bubbles to collapse; new experiments turn that understanding on its head.
This video animation helps to answer a puzzling shower thought.
In North America, water companies may lose up to 50% of water before it ever reaches customers.
The cloaked objects leave no wake.